code: def sources(self):
      return [
          "csrc/kernels/fused_adam_kernel.cu",
          "csrc/pybind/pybind_adam.cpp",
      ]
  
file_path: lightseq/lightseq/training/ops/pytorch/builder/adam_builder.py
imports: import torch
  from .builder import CUDAOpBuilder
label_desc: Use image node_id 3 for calling the AdamBuilder obj's underlying member method code with example usage: obj.sources() and returns: list